Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Л.М. МутафолоfiledCriticalЛ.М. Мутафоло
Priority to SU2-?ApriorityCriticalpatent/SU73235A2/ru
Application grantedgrantedCritical
Publication of SU73235A2publicationCriticalpatent/SU73235A2/ru